not accessible and not needed anyway for a test keymap (#12366)

keyboards/keebio/bdn9/keymaps/test/keymap.c

@@ -12,16 +12,6 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
         KC_D, KC_E, KC_F,
         KC_G, KC_H, RGB_MOD
     ),
-    /*
-        | RESET          | N/A  | Media Stop |
-        | Held: Layer 2  | Home | RGB Mode   |
-        | Media Previous | End  | Media Next |
-     */
-    [1] = LAYOUT(
-        RESET  , BL_STEP, KC_STOP,
-        _______, KC_HOME, RGB_MOD,
-        KC_MPRV, KC_END , KC_MNXT
-    ),
 };
 
 void encoder_update_user(uint8_t index, bool clockwise) {